Hainan Huayan Biotech Co., Ltd., Ltd., which is a high-tech enterprise, was built in July, 2005 in Hainan Island of China, specializing in studying, exploring, manufacturing and marketing of fish collagen and its related products. Because of the good ecological environment, local fish products are of very high quality. A big quantity of fish products is sold all over the world each year. This guarantees the supply of the raw materials of high quality for Huayan to manufacture fish collagen. Huayan uses fresh fish skins and scales to manufacture ... more >